Generic subadditive functions

Bingham, N. H. and Ostaszewski, Adam
(2007)
Generic subadditive functions.
LSE-CDAM-2007-17.
London school of economics and political science, London, UK.

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Abstract

We prove a generalization of the Subadditive Limit Theorem and of the corresponding Berz Theorem in a class of functions that includes both the measurable functions and the Baire functions (those with the Baire property). The generic subadditive functions are defined by a combinatorial property previously introduced for the study of the foundations of regular variation in LSE-CDAM-2006-22. By specialization we thus provide the previously unknown Baire variants of the fundamental theorems of subbaditive functions, answering an old question ([BGT], 2.12.4 p. 123).